Skip to main content

Up Next

How We Know The Universe is Ancient

How We Know The Universe is Ancient

Season 6 Episode 14
14:01
Mapping the Multiverse

Mapping the Multiverse

Season 6 Episode 16
14:21
Does Gravity Require Extra Dimensions?

Does Gravity Require Extra Dimensions?

Season 6 Episode 17
12:41
Can Viruses Travel Between Planets?

Can Viruses Travel Between Planets?

Season 6 Episode 18
13:58
What Happens After the Universe Ends?

What Happens After the Universe Ends?

Season 6 Episode 19
14:34
Building Black Holes in a Lab

Building Black Holes in a Lab

Season 6 Episode 20
13:12
Dissolving an Event Horizon

Dissolving an Event Horizon

Season 6 Episode 21
11:32
How Stars Destroy Each Other

How Stars Destroy Each Other

Season 6 Episode 24
10:41
Back to Show
PBS Space Time

Was the Milky Way a Quasar?

Season 6 Episode 12

The Milky Way galaxy is relatively calm by the destructive standards of the rest of the Universe, and compared to its own very violent past. But just recently we discovered that its violent past was much more recent than we thought - and could even happen again.

Support Provided By
Season
How to Find Alien Dyson Spheres
14:28
Time to update you on the hunt for galactic empires.
What Happens If A Black Hole Hits Earth?
13:29
This is what happens if microscopic primordial black holes could actually hit Earth.
Are Black Holes Actually Fuzzballs?
14:07
Black holes of string theory - fuzzballs - are perhaps even weirder than the regular type.
What If Our Understanding of Gravity Is Wrong?
14:28
We learn more about Modified Newtonian Dynamics aka MOND.
Is Action The Most Fundamental Property in Physics?
14:28
ACTION is the concept in physics that may be more fundamental than energy and entropy.
Will Constructor Theory Rewrite Physics?
11:41
Constructor Theory is the ability to see the deepest underlying facts about the world.
New Results in Quantum Tunneling vs. The Speed of Light
13:00
New efforts in quantum tunneling show that superluminal motion may be possible.
Why Magnetic Monopoles Should Exist
14:15
The idea of magnetic monopoles remains one of physics’ most tantalizing maybes.
How Electron Spin Makes Matter Possible
15:10
The fact is that all electrons are the same as each other and the object is what changes.
Neutron Stars: The Most Extreme Objects in the Universe
14:14
We take a journey to the center of a neutron star, a place where matter exists in states.
First Detection of Light from Behind a Black Hole
12:21
Our cleverest astronomers have figured out ways to catch light that skims black holes.
How Vacuum Decay Would Destroy The Universe
13:01
Of all the possible ends of the universe, vacuum decay would be the most thorough.
Active loading indicator